button {
    height: 30px;
    background-color: #fff;
    border: solid 1px #ccc;
    border-radius: 4px;
    cursor: pointer;
    padding: 0 16px;
}

button:hover {
    outline: solid 1px #ddd;
}
main {
    padding: 16px;
}
.title {
    display: flex;
    align-items: center;
}
#rules {
    display: block;
    width: 100%;
    height: 400px;
}

#uploadButton,
#saveButton {
    display: block;
    margin: 16px 0;
}
